Home / 239,519.26-330,525.46-137,472.91

Finding the Fourth Proportional to 239,519.26, 330,525.46 and 137,472.91

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Solution

The fourth proportional to 239,519.26, 330,525.46 and 137,472.91 is: 189,706.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,519.26 : 330,525.46 = 137,472.91 : x
  2. Step 2: Convert to fraction form
    239,519.26/330,525.46 = 137,472.91/x
  3. Step 3: Cross multiply
    239,519.26x = 330,525.46 × 137,472.91
  4. Step 4: Simplify right side
    239,519.26x = 45,438,296,160.82
  5. Step 5: Solve for x
    x = 45,438,296,160.82/239,519.26
  6. Step 6: Final answer
    x = 189,706.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.